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| author | Daniel P. Berrangé <berrange@redhat.com> | 2024-06-10 10:37:33 +0100 |
|---|---|---|
| committer | Daniel P. Berrangé <berrange@redhat.com> | 2024-09-09 15:13:38 +0100 |
| commit | 41162dd6ee5bc8bfd73f549d6bddd24e9b205c18 (patch) | |
| tree | 3a2005a8a94a3db5b5ddb33417fa76ddf4d0fb47 /crypto | |
| parent | 586ac2c67d707c2588766c5195d94fa553cc25af (diff) | |
| download | qemu-41162dd6ee5bc8bfd73f549d6bddd24e9b205c18.zip qemu-41162dd6ee5bc8bfd73f549d6bddd24e9b205c18.tar.gz qemu-41162dd6ee5bc8bfd73f549d6bddd24e9b205c18.tar.bz2 | |
crypto: use consistent error reporting pattern for unsupported cipher modes
Not all paths in qcrypto_cipher_ctx_new() were correctly distinguishing
between valid user input for cipher mode (which should report a user
facing error), vs program logic errors (which should assert).
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/cipher-nettle.c.inc | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/crypto/cipher-nettle.c.inc b/crypto/cipher-nettle.c.inc index 766de03..2654b43 100644 --- a/crypto/cipher-nettle.c.inc +++ b/crypto/cipher-nettle.c.inc @@ -525,8 +525,10 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, case QCRYPTO_CIPHER_MODE_CTR: drv = &qcrypto_nettle_des_driver_ctr; break; - default: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } ctx = g_new0(QCryptoNettleDES, 1); @@ -551,8 +553,10 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, case QCRYPTO_CIPHER_MODE_CTR: drv = &qcrypto_nettle_des3_driver_ctr; break; - default: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } ctx = g_new0(QCryptoNettleDES3, 1); @@ -663,8 +667,10 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, case QCRYPTO_CIPHER_MODE_CTR: drv = &qcrypto_nettle_cast128_driver_ctr; break; - default: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } ctx = g_new0(QCryptoNettleCAST128, 1); @@ -741,8 +747,12 @@ static QCryptoCipher *qcrypto_cipher_ctx_new(QCryptoCipherAlgorithm alg, case QCRYPTO_CIPHER_MODE_ECB: drv = &qcrypto_nettle_sm4_driver_ecb; break; - default: + case QCRYPTO_CIPHER_MODE_CBC: + case QCRYPTO_CIPHER_MODE_CTR: + case QCRYPTO_CIPHER_MODE_XTS: goto bad_cipher_mode; + default: + g_assert_not_reached(); } ctx = g_new0(QCryptoNettleSm4, 1); |